(二分之一)-1次方-(2一兀)0次方+丨一根号2丨-一根号2-1分之1
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![(二分之一)-1次方-(2一兀)0次方+丨一根号2丨-一根号2-1分之1](/uploads/image/z/1975106-2-6.jpg?t=%28%E4%BA%8C%E5%88%86%E4%B9%8B%E4%B8%80%29-1%E6%AC%A1%E6%96%B9-%282%E4%B8%80%E5%85%80%290%E6%AC%A1%E6%96%B9%2B%E4%B8%A8%E4%B8%80%E6%A0%B9%E5%8F%B72%E4%B8%A8-%E4%B8%80%E6%A0%B9%E5%8F%B72-1%E5%88%86%E4%B9%8B1)
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(二分之一)-1次方-(2一兀)0次方+丨一根号2丨-一根号2-1分之1
(二分之一)-1次方-(2一兀)0次方+丨一根号2丨-一根号2-1分之1
(二分之一)-1次方-(2一兀)0次方+丨一根号2丨-一根号2-1分之1
(二分之一)-1次方-(2一兀)0次方+丨一根号2丨-一根号2-1分之1
=2-1+√2-(√2+1)/(√2-1)(√2+1)
=1+√2-(√2+1)
=0